A randomized 25 question test from a pool of 761 questions, good luck!
Digital signals are, either specific or transitory, voltage levels represent states of logic. Which of the signal encoding methods below uses the conversion of dc voltage levels to ac to represent logic states?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that can have 8, 16, or 32 output points powered by 24Vdc or 120/230 Vac?
There are several stages in the alarm lifecycle. Which of these stages is the alarm system commissioned?
In the protocol specifications of Modbus, there are standard 5 and 6 digit addresses, each address starting with a specific number for the register type. Which number below starts the input status registers addresses?
Parameter settings program the behavior of the function block. Which of the parameters below can be described as one that receives data from another block?
In each OSI layer, each device must be identified to be used. In which of the layers below does the physical address of each network device reside?
Any SCADA system must adhere to universal standards which allow smooth communication over international boundaries. Which of the standards below would have incompatibility between different hardware vendors components?
Which of the answers is not an disadvantage of analog field communication? Choose the best answer from those below.
Which of the error detection methods below best relates to an "effectiveness of 90%"?
There are many different software programs that are commonly used by a DCS. Which of the programs below would allow the control of an employees access level in the system?
There are several different ways to let an operator know about an alarm in any HMI. Which of the answers below would best be described as a flashing alarm?
Communication technology is generally specific to a type of area network. Which of the area networks below would IDSN and DSL be used primarily?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that maps the data from up to 16 field devices that it supports?
In Modbus, data is read, and written in various memory ranges. Which of the answers below best represents the data type that a input registers would use?
In a typical GUI, values take one of four generic indicators. Which of the indicators below would best represent the image below?
IPv4 network classes can also be defined by the IP address they use. Which of the answers corresponds best to the address in row "E"?
To communicate with a process control system, a network interface adapter is required. Which of the answers below would satisfy the minimum number of network adapters required?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is the smallest in area covered?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is a network that links smaller networks together, but potentially on a global scale?
CSMA/CD is used as an access method that uses constructive interference detection for any data collisions. Which of the OSI layers does this detection occur on?
Which answer below is best described as the RS-485 standard for voltage range to transmit a "Mark"?
CSMA/CD is used as an access method that uses constructive interference detection for any data collisions. Which of the OSI layers does this detection occur on?
The wired Ethernet transmission standards are defined by the OSI model layers. Which of the answers below is one of those defining layers?
In a typical GUI, values take one of four generic indicators. Which of the indicators below would best represent the image below?
Open communication protocols have several disadvantages. Which of the answers provided below represents one that is not a disadvantage?